Home / 107,722.34-161,508.56-47,718.24

Finding the Fourth Proportional to 107,722.34, 161,508.56 and 47,718.24

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Solution

The fourth proportional to 107,722.34, 161,508.56 and 47,718.24 is: 71,544.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,722.34 : 161,508.56 = 47,718.24 : x
  2. Step 2: Convert to fraction form
    107,722.34/161,508.56 = 47,718.24/x
  3. Step 3: Cross multiply
    107,722.34x = 161,508.56 × 47,718.24
  4. Step 4: Simplify right side
    107,722.34x = 7,706,904,228.13
  5. Step 5: Solve for x
    x = 7,706,904,228.13/107,722.34
  6. Step 6: Final answer
    x = 71,544.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.